#ifndef __CTYPE_H
#define	__CTYPE_H		//Define header

#ifdef _MSC_VER
#pragma warning (disable:4244)	//Disable conversion warnings
#endif

#ifdef __cplusplus
extern "C"
{
#endif

extern char _ctype[];

//We define constants so that we dont have to use hex all the time

#define CT_UP	0x01	//upper case 
#define CT_LOW	0x02	//lower case 
#define CT_DIG	0x04	//digit 
#define CT_CTL	0x08	//control 
#define CT_PUN	0x10	//punctuation 
#define CT_WHT	0x20	//white space (space/cr/lf/tab) 
#define CT_HEX	0x40	//hex digit 
#define CT_SP	0x80	//hard space (0x20) 

/*This is our basic character functions or macros defined,
  this is all fairly simple*/

#define isalnum(c)	((_ctype + 1)[(unsigned)(c)] & (CT_UP | CT_LOW | CT_DIG))
#define isalpha(c)	((_ctype + 1)[(unsigned)(c)] & (CT_UP | CT_LOW))
#define iscntrl(c)	((_ctype + 1)[(unsigned)(c)] & (CT_CTL))
#define isdigit(c)	((_ctype + 1)[(unsigned)(c)] & (CT_DIG))
#define isgraph(c)	((_ctype + 1)[(unsigned)(c)] & (CT_PUN | CT_UP | CT_LOW | CT_DIG))
#define islower(c)	((_ctype + 1)[(unsigned)(c)] & (CT_LOW))
#define isprint(c)	((_ctype + 1)[(unsigned)(c)] & (CT_PUN | CT_UP | CT_LOW | CT_DIG | CT_SP))
#define ispunct(c)	((_ctype + 1)[(unsigned)(c)] & (CT_PUN))
#define isspace(c)	((_ctype + 1)[(unsigned)(c)] & (CT_WHT))
#define isupper(c)	((_ctype + 1)[(unsigned)(c)] & (CT_UP))
#define isxdigit(c)	((_ctype + 1)[(unsigned)(c)] & (CT_DIG | CT_HEX))
#define isascii(c)	((unsigned)(c) <= 0x7F)
#define toascii(c)	((unsigned)(c) & 0x7F)
#define tolower(c)	(isupper(c) ? c + 'a' - 'A' : c)
#define toupper(c)	(islower(c) ? c + 'A' - 'a' : c)

#ifdef __cplusplus
}
#endif

#endif
